TinaG

It takes Ted 20 minutes to paint a wall. Burt can paint the same wall in 30 minutes. How long will it take for the two of them to do the job together?

One pipe can fill a swimming pool in 8 hours. Another pipe takes 12 hours. How long will it take to fill the pool if both pipes are used simultaneously?

High speed copier works three times as fast as a regular copier. When both copiers are used, they can copy a group of documents in 12 minutes. How long would each copier require to do the copying alone

Mike can assemble a computer table in 40 minutes and I can do it in 60 minutes. If Mike works for 20 minutes before I join him, how long will it take us to finish?

Write an equation in slope-intercept form for each described line. 1.The line passes through (3,-3)and is parallel to the graph. 2.The line passes through (2,-4) and is parallel to the graph of y=2x-5. 3.The line passes through the orgin with slope 2 - 3